1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking Benchmarking Platform
Phoromatic Test Orchestration

RapidDisk, A New Linux RAM Disk Kernel Module

Linux Kernel

Published on 04 August 2011 08:45 AM EDT
Written by Michael Larabel in Linux Kernel
5 Comments

Released last month was RapidDisk 1.0, which is a Linux kernel module that up to this point has received little attention on the Internet. RapidDisk is a new Linux RAM disk kernel module like the brd and zram modules, but with a different feature-set.

Petros Koutoupis is the developer of RapidDisk (also known as rxdsk) is designed for high-performance computing while being designed to be simple. RapidDisk can handle dynamically adding or removing RAM-based block devices of varying sizes, LZO data compression (still being implemented), and SHA-256-based error-correction.

RapidDisk is meant to be used for quick I/O storage (such as using a solid-state drive for the RapidDisk), application/database caching, file-system meta-data caching, virtualization, and as possible replacements to CompCache and CacheFS. RapidDisk volumes can also be easily exported as a physical device across a SAN or allocated as a SWAP space.

This kernel module isn't living in the mainline kernel tree (at least not for now), but is licensed under the GNU GPLv2 and its user-land utility goes for the GPLv3 license. More information on RapidDisk can be found from the 1.0 blog announcement and the project's Wiki.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux News
  1. Zapcc Claims To Be A "Much Faster C++ Compiler"
  2. Godot 1.1 Engine Release Brings New 2D Engine
  3. Intel VA-API Driver 1.6 Is Coming
  4. Canonical Is Reportedly Considering An IPO
  5. GNOME 3.18 - GTK3 Now Supports RandR 1.5
  6. Fedora 22 Risks Being Delayed Beyond Next Week
  7. Systemd 220 Has Finally Been Released
  8. LibreOffice 5.0 Beta 1 Released
  9. Allwinner Publishes New CedarX Open-Source Code
  10. ACPI 6 Non-Volatile Memory Device Support / NFIT / LIBND For Linux
  11. Fedora 22 Marches Closer To Release
  12. The Linux 4.0 EXT4 RAID Corruption Bug Has Been Uncovered
Latest Articles & Reviews
  1. Btrfs RAID 0/1 Benchmarks On The Linux 4.1 Kernel
  2. The State Of Various Firefox Features
  3. Intel Iris Graphics Performance With Mesa 10.6
  4. Fedora Workstation 22 Is Looking Great, Running Fantastic
Most Viewed News This Week
  1. The Linux 4.0 Kernel Currently Has An EXT4 Corruption Issue
  2. Rust 1.0 Language Officially Released
  3. AMDGPU Open-Source Driver Code Continues Maturing
  4. Oculus Rift Suspends Linux Development To Focus On Windows
  5. Wine 1.7.43 Works On Desktop Shell Window Support
  6. Spec Ops: The Line Is The Latest Linux Shooter
  7. RadeonSI Gallium3D Driver To Be Enabled For Android
  8. KDE Applications 15.08 Planned For Release On 19 August